Question 1

Which of the following organelles does not have a double membrane?

Accepted Answer

A)   mitochondrion
B)   nucleus
C)   endoplasmic reticulum
D)   chloroplastE) A) and D)
F) B) and D)

Question 2

The endoplasmic reticulum

Accepted Answer

A)   is part of a continuous membrane system throughout the cell
B)   occurs in two forms, rough and smooth
C)   can have ribosomes bound to it
D)   all of the aboveE) A) and B)
F) B) and C) D

Question 3

In the Five Kingdom classification system, Escherichia coli would be considered

Accepted Answer

A)   animals.
B)   protists.
C)   monera.
D)   none of the above.E) B) and C)
F) A) and B)

Question 4

Which of the following functional groups is specific to an alcohol?

Accepted Answer

A)   -NH
B)   -OH
C)   -C=O
D)   C=C
E)   O-PF) A) and B)
G) A) and C)

Question 5

Prokaryotes

Accepted Answer

A)   contain ribosomes
B)   do not have a cell membrane
C)   contain mitochondria
D)   none of the aboveE) A) and B)
F) C) and D) A

Question 6

Chloroplasts

Accepted Answer

A)   contain no DNA
B)   are bounded by a single membrane
C)   are relatively small organelles
D)   are the site of photosynthesis in green plantsE) None of the above
F) B) and D)

Question 7

The Golgi apparatus

Accepted Answer

A)   occurs in prokaryotes
B)   is involved in secretion of proteins from the cell
C)   is part of the chloroplast
D)   is the site of protein synthesisE) C) and D)
F) A) and B)

Question 8

Which organelle does not contain DNA?

Accepted Answer

A)   Nucleus
B)   Mitochondrion
C)   Rough Endoplasmic Reticulum
D)   Chloroplast
E)   All of these organelles contain DNAF) All of the above
G) C) and E)

Question 9

​ Which of the following biomolecules forms the molecular currency of the cell, adenosine triphosphate (ATP) ?

Accepted Answer

A)   Nucleotides
B)   Esters
C)   Amino acids
D)   LipidsE) B) and C)
F) A) and B)

Question 10

Which cell component is composed of RNA and protein?

Accepted Answer

A)   Nucleus
B)   Mitochondrion
C)   Endoplasmic Reticulum
D)   Chloroplast
E)   RibosomeF) A) and B)
G) A) and E) E

Question 11

Which statement is not correct about peptide nucleic acids, PNA?

Accepted Answer

A)   They are combinations of peptides and nucleic acids.
B)   Scientists create them to study the origins of life
C)   They were proven to be the first hereditary molecule.
D)   They may combine the catalytic properties of proteins with the information transfer ability of nucleic acid
E)   All of these statements apply to PNA.F) C) and E)
G) B) and C)

Question 12

Biological catalysts are

Accepted Answer

A)   proteins exclusively
B)   RNA exclusively
C)   DNA exclusively
D)   some proteins and some RNAE) A) and C)
F) None of the above

Question 13

The following cellular component is the defining component of most plant cells:

Accepted Answer

A)   Nucleus
B)   Ribosomes
C)   Chloroplasts
D)   Mitochondria
E)   Cell wallsF) C) and D)
G) B) and E)

Question 14

​ Identify the class of basic biomolecules represented by the following structure.

Accepted Answer

A)   Carbohydrates
B)   Amino acids
C)   Nucleotides
D)   LipidsE) All of the above
F) B) and C)

Question 15

How are the majority of elements thought to have been formed?

Accepted Answer

A)   By thermonuclear reactions that normally take place in stars.
B)   In explosions of stars.
C)   By the action of cosmic rays outside the stars since the formation of the galaxy.
D)   All of the choices are true
E)   None of the choices; all the elements were present from the initial Big Bang.F) A) and D)
G) B) and C)

Question 16

Which of the following best describes the results of the Miller-Urey experiment?

Accepted Answer

A)   It proved that DNA is the genetic material.
B)   It produced proteins under conditions simulating the early Earth.
C)   It created living cells from non-living materials.
D)   It produced some simple organic compounds from a mixture of gases presumed to have existed in the early atmosphere.
E)   All of these results of the Miller-Urey experiment.F) A) and E)
G) A) and B)

Question 17

The mitochondrial matrix

Accepted Answer

A)   is the location of enzymes needed for oxidation reactions
B)   contains an array of microtubules
C)   is part of the endoplasmic reticulum
D)   lies between the inner and outer mitochondrial membraneE) B) and D)
F) A) and B)

Question 18

Which cell component has cristae?

Accepted Answer

A)   Nucleus
B)   Mitochondrion
C)   Endoplasmic Reticulum
D)   Chloroplast
E)   RibosomeF) A) and B)
G) A) and C)

Question 19

Which of the following cellular components is commonly found in bacteria?

Accepted Answer

A)   Nucleus
B)   Ribosomes
C)   Chloroplasts
D)   Mitochondria
E)   More than one of these is characteristic of bacteria.F) B) and D)
G) A) and B)

Question 20

Animal cells do not contain

Accepted Answer

A)   a nucleus
B)   mitochondria
C)   chloroplasts
D)   lysosomesE) A) and B)
F) B) and C)

Exam 1: Biochemistry and the Organization of Cells

Which of the following organelles does not have a double membrane?

Correct AnswerverifiedShow Answer

The endoplasmic reticulum

Correct AnswerverifiedD

In the Five Kingdom classification system, Escherichia coli would be considered

Correct AnswerverifiedShow Answer

Which of the following functional groups is specific to an alcohol?

Correct AnswerverifiedShow Answer

Prokaryotes

Correct AnswerverifiedA

Chloroplasts

Correct AnswerverifiedShow Answer

The Golgi apparatus

Correct AnswerverifiedShow Answer

Which organelle does not contain DNA?

Correct AnswerverifiedShow Answer

​ Which of the following biomolecules forms the molecular currency of the cell, adenosine triphosphate (ATP) ?

Correct AnswerverifiedShow Answer

Which cell component is composed of RNA and protein?

Correct AnswerverifiedE

Which statement is not correct about peptide nucleic acids, PNA?

Correct AnswerverifiedShow Answer

Biological catalysts are

Correct AnswerverifiedShow Answer

The following cellular component is the defining component of most plant cells:

Correct AnswerverifiedShow Answer

​ Identify the class of basic biomolecules represented by the following structure.

Correct AnswerverifiedShow Answer

How are the majority of elements thought to have been formed?

Correct AnswerverifiedShow Answer

Which of the following best describes the results of the Miller-Urey experiment?

Correct AnswerverifiedShow Answer

The mitochondrial matrix

Correct AnswerverifiedShow Answer

Which cell component has cristae?

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Which of the following cellular components is commonly found in bacteria?

Correct AnswerverifiedShow Answer

Animal cells do not contain

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D

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A

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Which of the following biomolecules forms the molecular currency of the cell, adenosine triphosphate (ATP) ?

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E

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Identify the class of basic biomolecules represented by the following structure.

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